راه حل نظارت COFDM برای انتقال ویدیوی بی سیم

In the field of surveillance and security, قابل اعتماد انتقال تصویر بی سیم is essential. Traditional Wi-Fi or analog links often fail in دوربرد یا غیر خط دید (NLOS) محیط ها. This is where COFDM surveillance solutions stand out, ارائه پایدار, رمزگذاری شده است, و انتقال ویدئو با تاخیر کم over challenging terrains.

اخیرا, many customers have shown interest in implementing COFDM wireless technology برای vehicle-mounted cameras, 360° surveillance systems, and control room monitoring. Let’s explore the key requirements و hidden needs that often come with deploying a COFDM surveillance solution.

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Customer’s Expressed Requirements

1. COFDM Wireless Solution
   • Vehicle-mounted COFDM transmitters with 360° cameras.
   • Centralized گیرنده COFDM in the control room.
2. Application Scenario
   • طراحی شده برای land-based surveillance and security: وسایل نقلیه, ground personnel, and control centers.
3. باند فرکانس
   • Must comply with AS923-1 frequency band (used across Asia-Pacific for wireless communication).
   • فرکانس سفارشی, we can do the working frequency from 170-6000MHz for you.
4. محدوده انتقال
   • Maximum possible long-range wireless video transmission.
   • Clarification needed for both خط دید (LOS) و غیر خط دید (NLOS) coverage.

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Hidden Needs for COFDM Surveillance Systems

While customers usually list the basics, many critical requirements are not mentioned explicitly. آ professional COFDM surveillance solution should consider the following:

1. کیفیت ویدیو & تأخیر

• Required resolution: HD, فول اچ دی, or 4K.
• Real-time response with زمان تاخیر کم (<100ام‌اس).
• Efficient compression (H.265/H.264) for better bandwidth usage.

2. تحرک & ثبات

• Support for high-speed vehicle movement (پلیس, نظامی, emergency).
• Doppler-resistant COFDM modulation for uninterrupted reception.

3. قدرت & Ruggedization

• Vehicle-compatible power supply (DC 12V/24V).
• Rugged design: ضد آب, ضد گرد و غبار, مقاوم در برابر ضربه.

4. Control Room Integration

• Multiple output formats: HDMI, SDI, جریان IP (RTSP/UDP).
• Option for multi-channel reception to monitor several vehicles simultaneously.

5. امنیت & رمزگذاری

• AES-128/256 encryption for secure video feeds.
• Authentication to prevent interception of surveillance data.

6. مقیاس پذیری

• Expansion to cover multiple vehicles and personnel.
• COFDM Mesh Networking or relay mode for extended range.

7. رعایت مقررات

• Legal operation within the AS923-1 frequency band.
• Certification and licensing support for local regulations.

8. Ease of Deployment

• Plug-and-play setup with existing security infrastructure.
• Portable handheld receivers for security staff in the field.
• Software integration with NVR systems or cloud-based monitoring.

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Example of a Complete COFDM Surveillance Solution

A well-designed COFDM surveillance system for land use may include:

• فرستنده COFDM: Mounted on vehicles with 360° PTZ or panoramic cameras.
• گیرنده COFDM: Installed in the control room with HDMI/IP output to large displays or video servers.
• Mobile Receivers: Portable units for ground security teams.
• Mesh or Relay Nodes: To extend long-range wireless video transmission in NLOS environments.
• رمزگذاری & امنیت: AES-256 to ensure data protection.
• Frequency Compliance: Fully tuned for AS923-1 frequency band عملیات.

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نتیجه گیری

When planning a COFDM surveillance solution, customers should not only focus on transmitters and receivers but also consider:

• Video quality and latency برای تصمیم گیری در زمان واقعی.
• Encryption and frequency compliance for secure and legal operation.
• Scalability and integration with control rooms and mobile teams.

By addressing these hidden needs, الف COFDM-based long-range wireless video transmission system can deliver پایدار, امن, and mission-ready surveillance performance, whether in خط دید یا غیر خط دید محیط ها.

If you are exploring COFDM surveillance solutions using AS923-1 frequency band or other customized frequency, consider the complete ecosystem — transmitters, گیرنده ها, network integration, and regulatory compliance — to achieve maximum efficiency and reliability.

We currently customize two products according to the customer’s demand on COFDM Surveillance Solution for Wireless Video Transmission.